The following editor will bring you a brief discussion on the usage scenarios of scipy.misc.logsumexp function in python. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let's follow the editor and take a look. The input parameters of the scipy.misc.logsumexp function are (a, axis=None, b=None, keepdims=False, return_sign=False). The specific configuration can be found here. The returned value is np. log(np.sum(np.exp(a))). What needs to be emphasized here is the scenario in which this function is used: Generally speaking, this function is mainly used for operations with very small values (such as Monte Carlo sampling samples). In this case, keeping the data in log processing is a must. So at this time, if you want to accumulate and sum the data in the array, you need to calculate log(sum(exp(a))) like this, but doing so will cause some accuracy problems, and this problem scipy.misc.logsumexp is The solution has been introduced, so you can directly use scipy
1 for small data summation.Use of scipy.misc.logsumexp function in python
#Introduction: The following editor will bring you a brief discussion of the application scenarios of the scipy.misc.logsumexp function in Python. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look
2.JS—Array
##Introduction: Array (Array object) Array is a kind of object. An array is an ordered collection of values. Each value is called an element (can be of any type), and each element has a position in the array, represented by a number, called an index (0-232-2). 1. Create an array 1. Use array literals (direct quantities) var empty=[];//Empty array var misc=[1.1,true,”a”,[1,{x:1,y:2}]] ;//Element types are different var count=[1,,2];//There are 3 elements, in the middle...
3. Internal Server Error occurs underwamp Internal Server Error
#Introduction: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator at admin@example .com to inform t...
4.Notes on using nginx+nginx-rtmp-module+ffmpeg to build a streaming media server (6)
Introduction:: This article mainly introduces the notes on using nginx+nginx-rtmp-module+ffmpeg to build a streaming media server (6), for Students who are interested in PHP tutorials can refer to it.
5.drupal theme Drupal directory structure and request execution process
Introduction: drupal theme: drupal theme Drupal directory Structure and request execution process: Directory structure includes: Contains commonly used Drupal function libraries. misc: used to store JavaScript available in Drupal installations, and other various icons and image files. modules: Contains all core modules, one module corresponds to a folder. Each module folder contains three basic files ’ ’ ’ ’ ’ ’ ’ - ((((s out out out out))) (Module name.install) (Module name.info) The module name.info (Module name.info) The module description information
6.drupal learning-Table of contents Structure_PHP tutorial
#Introduction: Drupal learning-directory structure. includes: Contains a large number of inc files. These inc files store the commonly used functions of drupal. misc: stores the js available in drupal installation. imagemodules: stores the core modules of drupal (
7.A brief discussion on the application scenarios of scipy.misc.logsumexp function in python
Introduction: The editor below will bring you a brief discussion on scipy in python The editor thinks the application scenarios of the .misc.logsumexp function are quite good. I will share them with you now and give them a reference. Let’s follow the editor and take a look.
#Introduction: How to parse such a string. The following is a line of string in the file: [2007 -08-01 00:00:00] 218.200.244.69 - - "GET /cmcc/ani/klfyt_detail_at.jsp?nofee=1&type=video&id=
##9.500 Abnormal, I am a newbie, I installed wamp, and I got an error
Introduction: 500 error, I am a newbie, I installed wamp, and I got an error Internal Server ErrorThe server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server adminis
##10.#Introduction: 10 Misunderstandings to Avoid in PHP Language PHP is a very popular open source server-side scripting language. Most of the websites you see on the World Wide Web are developed using PHP. However, you may be surprised. I've noticed that a small number of people swear to stay away from PHP, but what's even more surprising or shocking is that they decide not to use PHP because of some proven language shortcomings. Yes. , those you read are misunderstandings. Let’s see what these misunderstandings are:##[Related Q&A recommendations]:
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